#include <bits/stdc++.h>
#define syosu(x) fixed<<setprecision(x)
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> P;
typedef pair<double,double> pdd;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<double> vd;
typedef vector<vd> vvd;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<string> vs;
typedef vector<P> vp;
typedef vector<vp> vvp;
typedef vector<pll> vpll;
typedef pair<int,P> pip;
typedef vector<pip> vip;
const int inf=1<<30;
const ll INF=1ll<<60;
const double pi=acos(-1);
const double eps=1e-8;
const ll mod=1e9+7;
const int dx[4]={-1,0,1,0},dy[4]={0,-1,0,1};

ll gcd(ll a,ll b){
	if(!b) return a;
	return gcd(b,a%b);
}

ll A,B;

int main(){
	cin>>A>>B;
	if(A==1&&B==1){
		cout<<0<<endl;
		return 0;
	}
	ll res=0;
	while(A>1||B>1){
		if(A<B) swap(A,B),res++;
		else res+=A/B,A%=B;
		ll g=gcd(A,B);
		A/=g,B/=g;
	}
	cout<<res-1<<endl;
}